221332011120 has 120 divisors (see below), whose sum is σ = 810880033392. Its totient is φ = 53656243200.

The previous prime is 221332011101. The next prime is 221332011127. The reversal of 221332011120 is 21110233122.

221332011120 is a `hidden beast` number, since 2 + 213 + 320 + 11 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 221332011093 and 221332011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221332011127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13965061 + ... + 13980900.

Almost surely, 2^221332011120 is an apocalyptic number.

221332011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221332011120 is an abundant number, since it is smaller than the sum of its proper divisors (589548022272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221332011120 is a wasteful number, since it uses less digits than its factorization.

221332011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27945991 (or 27945982 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 221332011120 its reverse (21110233122), we get a palindrome (242442244242).

The spelling of 221332011120 in words is "two hundred twenty-one billion, three hundred thirty-two million, eleven thousand, one hundred twenty".